Class 18-2: Using I as the Subject for Formal Requests Home » Advanced English » “Do you mind if I use your bathroom?” Rules: May I or could I in American English is a polite and formal way to ask permission. *Note: both are common in American English. Examples: 1. May I go to the bathroom? 2. Could I have a piece of paper? Can I is used to informally ask for permission and is also common in American English. Can I borrow a pencil? Tag:Modals (Part 1) Share: lmcrun19 Previous post Class 18-1: Modal Auxiliaries and Similar Expressions September 13, 2021 Next post Class 18-3: Using You as the Subject for Formal Requests September 13, 2021